JUNIOR, Luiz Moreira Coelho et al. TIME SERIES ANALYSIS OF THE BEHAVIOR OF BRAZILIAN NATURAL RUBBER. CERNE, [S.l.], v. 15, n. 1, p. 019-026, may 2015. ISSN 2317-6342. Available at: <http://cerne.ufla.br/site/index.php/CERNE/article/view/213>. Date accessed: 22 oct. 2019.